Lead Toxicity in Mute Swans
LEAD TOXICITY IN MUTE SWANS Cygnus olor (Gmelin). By JOHN O'HALLORAN A thesis submitted to the National University of Ireland in candidature for the degree of Doctor of Philosophy September 1987
LEAD TOXICITY IN MUTE SWANS
Cygnus olor (Gmelin).
By
JOHN O'HALLORAN
A thesis submitted to the National University of Ireland
in candidature for the degree of Doctor of Philosophy
September 1987
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Table 4.<br />
Changes <strong>in</strong> levels of haemoglob<strong>in</strong> (Hb), mean cell haemoglob<strong>in</strong><br />
concentration (MCHC) and haematocrit (Haem) <strong>in</strong> <strong>Mute</strong> swans Cygnus<br />
olor with elevated lead levels.<br />
No. SEX/AGE T Pb Pb Hb<br />
days<br />
MCHC PCV<br />
ug/gHb um/L g/lOOmls g/lOOmls %<br />
1 M Adult 0 * 2.80 1.80 13.30 35.00<br />
60<br />
38.00<br />
4.80 4.80 10.30 35.50 29.20<br />
116* 3.65 2.20 12.40 32.80<br />
130<br />
37.80<br />
2.90 1. 90 13. 20 35.30 37.40<br />
2 M Adult 0 3.50 2.30 13.70 35.80 38.30<br />
7 7.90 5.00 13.14 34.40 38.15<br />
21 5.30 2.50 9.70 29.35 33.00<br />
35 2.90 1. 45 10. 30 32.50 31. 70<br />
3 M Adult 0 1. 00 0.75 15.50 37.95 41.00<br />
63 9.70 5.25 11. 20 34.10 32.80<br />
119 4.55 3.20 14.55 33.30 43.60<br />
4 M Adult 0 3.76 2.40 13. 20 34.00 38.90<br />
56 6.10 3.20 10.80 31.00 34.70<br />
105 1. 84 1. 20 13. so 34.20 39.50<br />
s<br />
*<br />
M Adult 0 2.10 1. 40 13.70 37.30 36.70<br />
021 16.55 9.20 11. 50 32.00 36.00<br />
105 1. 70 1. 30 15.75 36.00 43.70<br />
6 F Adult 0 6.60 3.60 11.30 26.52 42.60<br />
98 8.60 4.15 10. 00 25.50 39.25<br />
158 14.50 6.30 9.00 27.42 32.80<br />
7 M Adult 0 7.80 5.20 13.80 36.30 38.00<br />
7 7.50 4.30 11. 85 28.40 41. 60<br />
175 5.32 3.20 12.45 29.80 41. 80<br />
8 F Adult 0 6.40 3.80 12.25 27.70 44.20<br />
14 4.70 2.50 11.00 25.40 43.30<br />
9 M Imm. 0 0.46 0.30 13.30 34.40 38.65<br />
42 13. 25 6.60 10.30 30.00 34.35<br />
10 M Adult 0 * 8.70 4.40 10.50 30.00 35.00<br />
91 2.60 1.45 11. 60 32.00 36.00<br />
* denotes when swans were X-rayed.<br />
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